Which of the following are advantages of using NAT?1. Translation introduces switching path delays.2. Conserves legally registered addresses.3. Causes loss of end-to-end IP traceability.4. Increases flexibility when connecting to the Internet.5. Certain applications will not function with NAT enabled.6. Reduces address overlap occurrence.

• A. , 3 and 4
• B. , 5 and 6
• C. and 6
• D. , 4 and 6